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Your shotgun was made for Sears by Stevens, and is their model 311. It should take 2.5 inch and 3 inch .410 shells.
The model number and other information is on the left side of the barrel back by the pump action (what you hold to pump another shell into the chamber).
To determine if the extractor in an Ithaca M66 shotgun is bad, check for consistent failure to eject spent shells or frequent stovepiping. Inspect the extractor for visible wear, cracks, or deformation, which can affect its grip on the shell. Additionally, test the extractor's tension by manually cycling the action and observing if it securely holds a shell in place. If these issues persist despite cleaning and lubrication, the extractor may need replacement.
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If a shotgun does not extract a shotshell, it may be due to a few common issues such as a dirty or damaged extractor, a malfunctioning ejector, or a shell that is stuck in the chamber due to excessive pressure or corrosion. It's important to inspect the chamber and extractor for any obstructions and clean them if necessary. Additionally, using the correct ammunition for the specific shotgun model can help prevent extraction issues. If the problem persists, consulting a gunsmith may be necessary.
Stevens Crackshot #16 sidelever does indeed have a crecsent shaped ejector that fits in the recess in the bottom of the chamber.It is operated when the lever is worked although I don't think they were a very good system and you probably end up levering as many spent shells out with a pocketknife as it ejects properly. NOTE: The Stevens # 16 has an extractor,which partially removes the spent shell from the chamber,rather than an ejector, which completely expells the spent shell from the chamber. Does anyone know a good source for these extractors??? HG
yes you can go to numrich.com they have tons of parts
the shotgun takes a 2 3/4 shell
3"
Remington makes a model which does.
The Stevens 410 shotgun, designated as a .410 bore, is typically chambered for 2.5-inch or 3-inch shells. It is important to check the specific model's markings or owner's manual to confirm the maximum shell length it can safely shoot, as this can vary. Always adhere to the manufacturer's specifications for safe operation.
Remington makes a model which does.